404130266 has 16 divisors (see below), whose sum is σ = 640388160. Its totient is φ = 190743840.

The previous prime is 404130257. The next prime is 404130289. The reversal of 404130266 is 662031404.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (40024260).

Almost surely, 2^404130266 is an apocalyptic number.

404130266 is a deficient number, since it is larger than the sum of its proper divisors (236257894).

404130266 is a wasteful number, since it uses less digits than its factorization.

404130266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38149.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 404130266 is about 20102.9914689332. The cubic root of 404130266 is about 739.3336258186. Note that the first 3 decimals are identical.

The spelling of 404130266 in words is "four hundred four million, one hundred thirty thousand, two hundred sixty-six".